3.1p1 breaks X11 forwarding

[Kevin Steves]

On Tue, 12 Mar 2002, Pekka Savola wrote:
:Just as heads-up: On all-Linux systems, the necessity X11UseLocalhost=no
:(in some, more complex scenarios)  also depends on whether IPv6 is enabled
:in sshd or not.
:
:I've yet to corner down what's causing this but I've seen a few cases
:that:
:
:(assuming X11UseLocalhost yes is the default)
:WORKS: sshd -4
:WORKS: sshd -o 'X11UseLocalhost no'
:DOESN'T WORK: sshd
:
:(the application used was xterm).
:
:If this doesn't happen without Linux, it may be due to the Linux
:mapped-address implementation.
:
:I believe this will also have to do with the fact whether IPv6 has been
:enabled in X11 along the path.

strange. i was thinking of doing the following a while back, but IPv6 X11
is apparently on the horizon, so we left it.  are your X clients IPv6
capable?

Index: channels.c
===================================================================
RCS file: /cvs/src/usr.bin/ssh/channels.c,v
retrieving revision 1.146
diff -u -r1.146 channels.c
--- channels.c	6 Dec 2001 18:20:32 -0000	1.146
+++ channels.c	7 Dec 2001 18:56:35 -0000
@@ -2411,7 +2411,7 @@
 	     display_number++) {
 		port = 6000 + display_number;
 		memset(&hints, 0, sizeof(hints));
-		hints.ai_family = IPv4or6;
+		hints.ai_family = AF_INET;
 		hints.ai_flags = gateway_ports ? AI_PASSIVE : 0;
 		hints.ai_socktype = SOCK_STREAM;
 		snprintf(strport, sizeof strport, "%d", port);